<html>
<body>
<form>
<p>n1</p>
	f1: <input type="text"name="f1" />
<p>n2</p>
	f2: <input type="text"name="f2" />
     <p>n2.1</p>
     <p>n2.2</p>
<p>n3</p>
     <p>n3.1</p>
		f31: <input type="text"name="f31" />
     <p>n3.2</p>
</form>
</body>
</html>